ProPOS Series Rupture Disk

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ProPOS Series Rupture Disk

The ProPOS Rupture Disk (bursting disc) is a bi-directional rupture disk (bursting disc) designed to prevent over pressurization and provide vacuum protection for processing and storage tanks. The assembly design allows ultra low-pressure relief in the positive direction and low pressure relief in the vacuum direction

Sizes from 3" - 12". Bi-directional Rupture Disks Designed to Prevent Over Pressurization and/or Vacuum Protection for Processing and Storage Tanks


  • Burst Indication

Features and Benefits

  • Vacuum Relief ratings from 1" WC to 30" WC

  • Positive Pressure relief from 2 psig to 150 psig

  • Dual-Acting, tension loaded design, with laser cut metal top section and girdle (when ordered in 316SS)

  • 316SS girdle is standard. Other materials available

  • Flat seat design

Common Applications

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